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Daniel J. Ryan

Daniel J. Ryan is a Professor of Systems Management at the National Defense University, teaching information security, information assurance, cryptography, network security and computer forensics. He prepares curricula and instructional materials and teaches in the classroom and on-line. He serves as research advisor to individual students on topics related to national security, and provides analyses of systems management issues significant to national security.  

Prior to joining NDU, he was a lawyer in private practice, a businessman and an educator teaching law and information security for George Washington University. Before entering private practice as an attorney, he served as Corporate Vice President of Science Applications International Corporation with responsibility for information security for Government customers and commercial clients who operate worldwide and must create, store, process and communicate sensitive information and engage in electronic commerce. While at SAIC, he developed and provided security products and services for use in assessing security capabilities and limitations of client systems and networks, designing or re-engineering client systems and networks to ensure security, enhancing protection through a balanced mix of security technologies, detecting intrusions or abuses, and reacting effectively to attacks to prevent or limit damage. 

Prior to joining SAIC, Mr. Ryan served as Executive Assistant to the Director of Central Intelligence.  Earlier, he was Director of Information Systems Security for the Office of the Secretary of Defense serving as the principal technical advisor for all aspects of information security.  He developed information security policy for the Department of Defense and managed the creation, operation and maintenance of secure computers, systems and networks.  His specific areas of responsibility spanned information systems security (INFOSEC), including classification management, communications security (COMSEC) and cryptology, computer security (COMPUSEC) and transmission security (TRANSEC), as well as TEMPEST, technical security countermeasures (TSCM), operational security (OPSEC), port security, overflight security and counterimagery. 

In private industry, he was a Principal at Booz•Allen & Hamilton where he served as a consultant in the areas of strategic and program planning, system operations and coordination, data processing and telecommunications. At Bolt Beranek & Newman, he supplied secure wide-area telecommunications networks to Government and commercial clients.  He represented the Los Angeles-based Systems Development Division of TRW in Washington, D.C., and he was Director of Electronic Warfare Advanced Programs at Litton's AMECOM Division. He headed a systems engineering section at Hughes Aircraft Company where he was responsible for the design, development and implementation of data processing systems.

He began his career at the National Security Agency.

Mr. Ryan received his Bachelor’s degree in Mathematics from Tulane University, a Master’s in Mathematics from the University of Maryland, a Master of Business Administration degree from California State University and the degree of Juris Doctor from the University of Maryland.  He is admitted to the Bar in the State of Maryland and the District of Columbia, and has been admitted to practice in the United States District Court, the United States Tax Court, and the Supreme Court of the United States. He has been Certified by the United States Government as a Professional in the fields of Data Systems Analysis, Mathematics and Cryptologic Mathematics.

 

 


 

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This web site is designed to provide authoritative information with regard to the subject matter covered. You may make one copy only of the materials presented here for your personal, non-commercial use. For commercial use, including using the materials presented here as part of a course you teach, contact me for royalty information. The information on this web site is provided for your information only and should not be relied upon as legal advice. Nothing transmitted from this web site constitutes the establishment of an attorney-client relationship between you and Daniel J. Ryan, Esquire. Please remember that laws may differ substantially in individual situations or in different states, so you should never rely on legal or other materials from this or any other website without first seeking advice about your particular situation from an attorney licensed to practice in the appropriate jurisdiction. I cannot and do not guarantee the accuracy of any information you find by following the links you will find on this web site. Nothing contained at this web site should be construed to constitute a recommendation or endorsement of any company or firm, product, service, or web site.

Copyright Dan J. Ryan 1991 -- 2004 All Rights Reserved

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